Try making the following changes:Ĭhange USB Root Hub Power Management settings: There are a number of settings in Windows that can have an impact on USB audio performance. We recommend a USB cable no more than six feet in length. It’s possible that inexpensive alternatives and cables that are too long can introduce problems. Use the included USB cable or a high quality third-party cable.Be sure to try all USB ports on the computer. If you are using a powered hub and you’re still seeing issues, try disconnecting other USB devices or connect the M Series interface directly to a USB port on the computer. If you are using a USB hub, please make sure it is externally powered.Setting the Buffer Size to 256 or 512 is a good place to start with most systems. Depending on which product you’re using, you can raise or lower the number of samples per buffer in the M Series Control Panel app, MOTU Pro Audio Control’s Device Page or the MOTU Audio Console. Lower Buffer Sizes can reduce latency, however, too low of a Buffer Size can introduce performance issues. Using too small of a Buffer Size can introduce clicks, dropouts and glitches during playback. Increase the number of samples per buffer (Buffer Size).
Once complete, restart your computer for the changes to take effect.If you are running into issues with USB audio playback on your PC, it’s possible that you will see improved performance by taking the following steps to optimize your system: Back in the Sound window, click on the Recording tab and repeat steps 2-4 Select the Apollo from the list of audio devices and then click Propertiesģ. In the Properties window, go to the Advanced tab and un-check the option to "Allow applications to take exclusive control of this device"ĥ. Open Control Panel > Hardware and Sound > Sound and click on the Playback tabĢ.
To disable Exclusive Mode for the Apollo, follow the directions below:ġ. Disabling the Exclusive Mode options in Windows Sound Preferences can resolve this by preventing audio applications from taking exclusive control of the Apollo's driver. In Windows, some audio applications will take exclusive control of an audio device's driver while in use so that other applications can not play audio through that device at the same time. Depending on the audio applications you use, this can cause audio not to be played through your Apollo interface from one application while another application is open.
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